Online since 2002. The most comprehensive site for all around twisty puzzles.

3D printing service
TSI SkewbA 3D printed skewb in the shape of a tetrahedrally stellated icosahedron, also known as a tetrahedrally diminished dodecahedron.
TanglelabacusA bigger variant of Astrolabacus with eight segments but still four channels of beads.
Tangram MinxA decahedral prism in shape of a dodecahedron.

Tardis CubeA 2x2x4 shaped and coloured like the phone booth from "Doctor Who"
Ten Cube - 10 mm world's smallest 3x3x3 Rubik's cubeIn December 2010 the cube got into Guinness Book of Records as the smallest cube in the world!
Tera HexaminxA Teraminx CADed into the shape of a cube.

Tera-IcosamoidA bandaged and heavily truncated Teraminx, although this was not the inventor's intention.
Tetracopter 12An edge turning square prism with a height such that the core at the vertical edges has four-way symmetry.
Tetracopter 12XDA version of the Tetracopter 12, deeper cut on the 90 degree capable axes. A bandaged hybrid of face turning and corner turning cube.

TetradiolarianThe Radiolarian 3 in shape of a tetrahedron.
TetragramFour axes and four effective sides with the cutting pattern of a Starminx II.
Tetragram IIThe Tetragram with curvy cuts that make two types of pieces visible and one additional turn.

Tetrahedral Curvy StarminxA Curvy Starminx in shape of a Reuleaux Tetrahedron.
Tetrahedral KilominxA tetrahedral version of the Kilominx.
Tetrahedral TwinsA stella octangula-shaped puzzle that is like a Master Pyraminx with an additional turning tip added to each face.


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